Abstract

Sixteen newly established cell lines with small supernumerary marker chromosomes (sSMC) derived from chromosomes 1, 2, 4, 6, 7, 8, 14, 15, 16, 18, 19, 21, and 22 are reported. Two sSMC are neocentric and derived from 15q24.1-qter and 2q35-q36, respectively. Two further cases each present with two sSMC of different chromosomal origin. sSMC were characterized by multicolor fluorescence in situ hybridization for their chromosomal origin and genetic content. Moreover, uniparental disomy of the sister chromosomes of the sSMC was excluded in all nine cases studied for that reason. The 16 cases provide information to establish a refined genotype-phenotype correlation of sSMC and are available for future studies.

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This record was last updated on 07/03/2016 and may not reflect the most current and accurate biomedical/scientific data available from NLM.
The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/17341473